/Engine/Plugins/Runtime/nDisplay/Source/DisplayClusterConfigurator/Public/Views/TreeViews/IDisplayClusterConfiguratorTreeItem.h
Handle a drag and drop detected event
[FReply](API\Runtime\SlateCore\Input\FReply) HandleDragDetected ( const [FGeometry](API\Runtime\SlateCore\Layout\FGeometry) & MyGeometry, const [FPointerEvent](API\Runtime\SlateCore\Input\FPointerEvent) & MouseEvent )